Which of the following correctly analyzes how the cart system represented a departure from previous patterns of trade?

A. Muslim and Venetian traders gained power as people bought cartazes from them.
B. The cart system made few long-lasting or impactful changes.
C. Portuguese ports now had exclusive control of the Indian Ocean trade.
D. Portuguese, Muslim, and Venetian traders formed an alliance to share ports and profits using the cart system.

C. Portuguese ports now had exclusive control of the Indian Ocean trade.